MEMBRANE-ELECTRODE ASSEMBLY ELECTROLYTE MEMBRANE INCLUDING SELF-ASSEMBLEABLE BLOCK COPOLYMER

Title:

MEMBRANE-ELECTRODE ASSEMBLY ELECTROLYTE MEMBRANE INCLUDING SELF-ASSEMBLEABLE BLOCK COPOLYMER

Document Type and Number:

Japanese Patent JP2022083399

Kind Code:

A

Abstract:

To provide a membrane-electrode assembly electrolyte membrane having improved durability while maintaining the performance of a membrane-electrode assembly solid polymer electrolyte membrane.SOLUTION: A membrane-electrode assembly electrolyte membrane includes an ionomer, and an additive dispersed in the ionomer, the additive includes a block copolymer containing a hydrophilic domain and a hydrophobic domain, and the hydrophilic domain includes a cationically conductive repeating unit and the hydrophobic domain includes an antioxidant repeating unit.SELECTED DRAWING: Figure 3

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Inventors:

CHAE IL SEOK

Application Number:

JP2021163737A

Publication Date:

June 03, 2022

Filing Date:

October 04, 2021

Export Citation:

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Assignee:

HYUNDAI MOTOR COMPANY CO LTD
KIA CORP

International Classes:

H01M8/1046; C08F293/00; C08L23/26; C08L53/00; C25B1/04; C25B9/00; C25B9/23; C25B13/04; C25B13/08; H01B1/06

Attorney, Agent or Firm:

Nakamura Yukitaka
Miyajima Manabu
Yukihiro Hotta
Takeshi Sekine
Maekawa Hideaki

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